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51-5
Cisco MDS 9000 Family Fabric Manager Configuration Guide
OL-17256-03, Cisco MDS NX-OS Release 4.x
Chapter 51 Configuring IP Services
IPFC
switch. Frames forwarded to any switch in the overlaid VSAN 1 are routed through the gateway switch.
Configuring the gateway switch’s IPv4 address (1.12.11.1) in the other switches enable the gateway
switch to forward the frame to the intended destination. Similarly, if a non-gateway switch in the VSAN
forwards a frame to the Ethernet world, the frame is routed through the gateway switch.
When forwarding is disabled (default), IP frames are not sent from one interface to another. In these
cases, the software performs local IP routing between two switches using the in-band option for Fibre
Channel traffic and the mgmt0 option for Ethernet traffic.
When a VSAN is created, a VSAN interface is not created automatically. You need to specifically create
the interface (see the
“VSAN Interfaces” section on page 20-30).
IPFC
IPFC provides IP forwarding or in-band switch management over a Fibre Channel interface (rather than
out-of-band using the Gigabit Ethernet mgmt 0 interface). You can be use IPFC to specify that IP frames
can be transported over Fibre Channel using encapsulation techniques. IP frames are encapsulated into
Fibre Channel frames so NMS information can cross the Fibre Channel network without using an overlay
Ethernet network.
Once the VSAN interface is created, you can specify the IP address for that VSAN. You can assign an
IPv4 address or an IPv6 address.
Note See the Chapter 54, “Configuring IPv6 for Gigabit Ethernet Interfaces” for information about
configuring IPv6 on the Cisco MDS 9000 Family switches.
IPFC Configuration Guidelines
Follow these guidelines to configure IPFC:
1. Create the VSAN to use for in-band management, if necessary.
2. Configure an IPv4 address and subnet mask for the VSAN interface.
3. Enable IPv4 routing.
4. Verify connectivity.
IPv4 Static Routes
If your network configuration does not need an external router, you can configure IPv4 static routing on
your MDS switch.
Note For information about IPv6 static routing, see the “Configuring IPv6 for Gigabit Ethernet Interfaces”
section on page 54-1.
Static routing is a mechanism to configure IPv4 routes on the switch. You can configure more than one
static route.
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